68774888079 has 16 divisors (see below), whose sum is σ = 102405932640. Its totient is φ = 45617181120.

The previous prime is 68774888051. The next prime is 68774888081. The reversal of 68774888079 is 97088847786.

It is a happy number.

68774888079 is a `hidden beast` number, since 6 + 8 + 77 + 488 + 8 + 0 + 79 = 666.

It is not a de Polignac number, because 68774888079 - 2¹¹ = 68774886031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68774887998 and 68774888016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68774888099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6459702 + ... + 6470339.

It is an arithmetic number, because the mean of its divisors is an integer number (6400370790).

Almost surely, 2^68774888079 is an apocalyptic number.

68774888079 is a deficient number, since it is larger than the sum of its proper divisors (33631044561).

68774888079 is a wasteful number, since it uses less digits than its factorization.

68774888079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12930247 (or 12930241 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 72.

The spelling of 68774888079 in words is "sixty-eight billion, seven hundred seventy-four million, eight hundred eighty-eight thousand, seventy-nine".